1. It was quite unnecessary for you to carry all those parcels home yourself.
You ……………………………………………………………………………
2. I’m sure it wasn’t Mrs. Mai you saw because she is in Boston.
It can’t …………………………………………………………………
3. Maybe John’s working this weekend.
John ……………………………………………………………………………
4. I didn’t apologize. That was wrong of me.
I …………………………………………………………………………
5. It wasn’t necessary for me to go out after all.
I ………………………………………………………………………………
6. I’m sure that you didn’t lock the front door. Here is the key.
You …………………………………………………………………………
7. It was careless of you to leave the windows open last night.
You ……………………………………………………………………………
8. I’m sure Alison made arrangement. I recognized her voice.
It ……………………………………………………………………
9. I’m sure he didn’t know that his brother was seriously ill.
Perhaps he ……………………………………………………………………………
10. I am sure it was Judy that I saw in town this morning
It ………………………………………………………………………………
refer
1. You needn’t have carried all those parcels home yourself.
2. It can’t have been Mrs. Mai you saw because she is in Boston.
3. John may work this weekend
4. I should have apologized. That was wrong of me.
5. I needn’t have gone out after all.
6. You can’t have locked the front door. Here is the key.
7. You shouldn’t have left the windows open last night.
8. It must have been Alison who made arrangement. I recognized her voice.
9. He couldn’t possibly have known that his brother was seriously ill.
10. It must have been Judy that I saw in town this morning.